3y+4(y+5)=-15

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Solution for 3y+4(y+5)=-15 equation:


Simplifying
3y + 4(y + 5) = -15

Reorder the terms:
3y + 4(5 + y) = -15
3y + (5 * 4 + y * 4) = -15
3y + (20 + 4y) = -15

Reorder the terms:
20 + 3y + 4y = -15

Combine like terms: 3y + 4y = 7y
20 + 7y = -15

Solving
20 + 7y = -15

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-20' to each side of the equation.
20 + -20 + 7y = -15 + -20

Combine like terms: 20 + -20 = 0
0 + 7y = -15 + -20
7y = -15 + -20

Combine like terms: -15 + -20 = -35
7y = -35

Divide each side by '7'.
y = -5

Simplifying
y = -5

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